Freeze panic's running maven

[dajoen]

Describe the bug Running "mvn clean install" using the execute function. Freeze will panic with an index out of range error.

To Reproduce Steps to reproduce the behavior:

1. Go to maven project directory
2. Enter freeze --execute "mvn clean install"
3. See error

Expected behavior An image containing the out of my command is created.

Screenshots

Desktop (please complete the following information):

• OS: WSL on Windows 10
• zsh 5.8.1 on WSL using Ubuntu LSB release 22.04
• Version 0.1.6

Smartphone (please complete the following information):

• Device: [e.g. iPhone6]
• OS: [e.g. iOS8.1]
• Browser [e.g. stock browser, safari]
• Version [e.g. 22]

Additional context Add any other context about the problem here.